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CAS 555-31-7 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

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InventoryRef 9018824/04/2013

ALUMINUM ISOPROPOXIDE

2-Propanol, aluminum salt (3:1)

ALUMINUM ISOPROPOXIDE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 555-31-7

CAS 555-31-7PubChem CID 11143

Aluminum isopropoxide

Aluminium isopropoxide is an oxide of aluminum. It is a useful reagent in organic synthesis. Aluminum is the most abundant metal in the earth's crust and is always found combined with other elements such as oxygen, silicon, and fluorine. (L739, L740, L761) — Toxin and Toxin Target Database (T3DB)

IUPAC name: aluminum tris(propan-2-olate)

Molecular formula: C9H21AlO3
Molecular weight: 204.24 g/mol
Exact mass: 204.1306079 Da
Topological polar surface area: 69.2 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 3
Covalent units: 4
Defined stereocentres: 0

Also known as

Aluminium isopropoxideAluminum isopropylateAluminum triisopropoxideTriisopropoxyaluminumAluminium triisopropanolateAluminum isopropanolate2-Propanol, aluminum saltAluminum sec-propanolate

16 more reported names

Tris(isopropoxy)aluminumIsopropanol aluminum salt2-Propanol aluminum saltALUMINUM TRIISOPROPYLATEAluminum(II) isopropylateTriisopropyloxyaluminumAluminum tris(sec-propoxide)Isopropyl alcohol, aluminum saltHSDB 5429NSC 7604EINECS 209-090-8AI3-143962-Propanol, aluminum salt (3:1)aluminum tris(isopropoxide)ALUMINUM ISOPROPIOATEALUMINUM 2-PROPOXIDE

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID2027202

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for ALUMINUM ISOPROPOXIDE

INCI name

ALUMINUM ISOPROPOXIDE

Description

2-Propanol, aluminum salt (3:1)

Record provenance

Inventory reference: 90188
Imported identity: ALUMINUM ISOPROPOXIDE
Source update: 24/04/2013

European Commission CosIng source notes

Annex records for ALUMINUM ISOPROPOXIDE

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Key data

CAS

555-31-7

209-090-8

Restriction

—

Function

ABRASIVE: Removing unwanted tissue or foreign materials from various body surfaces, including mechanical tooth cleaning and/or gloss improvement.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#1594 · ALUMINUM ISOPROPOXIDE

Ingredients with overlapping formulation functions

ALEXANDRITE POWDERABRASIVE

ALLUVIAL MUDABRASIVE, BINDING

ALUMINAABRASIVE, ABSORBENT, ANTICAKING, BULKING, OPACIFYING, VISCOSITY CONTROLLING

ALUMINUM IRON SILICATESABRASIVE, BULKING

ALUMINUM SILICATEABRASIVE, ABSORBENT, ANTICAKING, BULKING, COLORANT, OPACIFYING

AMBURANA CEARENSIS SEED OILABRASIVE

AMETHYST POWDERABRASIVE

AMMONIUM ACRYLOYLDIMETHYLTAURATE/LAURETH-7 METHACRYLATE COPOLYMERABRASIVE

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How ALUMINUM ISOPROPOXIDE appears in the CosIng inventory

The CosIng inventory lists ALUMINUM ISOPROPOXIDE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

ALUMINUM ISOPROPOXIDE is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

ALUMINUM ISOPROPOXIDE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, ALUMINUM ISOPROPOXIDE carries the following function designation(s):

ABRASIVE

CAS 555-31-7 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for ALUMINUM ISOPROPOXIDE

This page reproduces the CosIng inventory entry for ALUMINUM ISOPROPOXIDE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research ALUMINUM ISOPROPOXIDE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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